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Finding the Fourth Proportional to 101,047,645.80, 151,571,468.70 and 36,353,561.40

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Solution

The fourth proportional to 101,047,645.80, 151,571,468.70 and 36,353,561.40 is: 54,530,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,047,645.80 : 151,571,468.70 = 36,353,561.40 : x
  2. Step 2: Convert to fraction form
    101,047,645.80/151,571,468.70 = 36,353,561.40/x
  3. Step 3: Cross multiply
    101,047,645.80x = 151,571,468.70 × 36,353,561.40
  4. Step 4: Simplify right side
    101,047,645.80x = 5,510,162,693,873,628
  5. Step 5: Solve for x
    x = 5,510,162,693,873,628/101,047,645.80
  6. Step 6: Final answer
    x = 54,530,342.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.